GSA Professional Services Schedule
The Professional Services Schedule (PSS) is an indefinite delivery/indefinite quantity (IDIQ) multiple award schedule, providing direct access to simple or complex fixed-price or labor-hour professional services including advertising and marketing solutions, business consulting solutions, environmental solutions, financial and business solutions, language services, logistics solutions, and professional engineering solutions.
SIN 874-1 Consulting Services
SIN 874-4 Training Services
SIN 874-7 Professional Services
SIN 874-501 Supply and Value Chain Management
SIN 541-3 Web Based Marketing Services
SIN C132-51 Information Technology Professional Services